JP2632292B2 - Displacement adjustable hinge joint with bolt and nut connection to vehicle wheel guide arm - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge joint having a bolt and nut connection to a wheel guide arm of a motor vehicle, which is described in the preamble of claim 1.

[0002]

2. Description of the Related Art Such a position adjustable hinge joint is
For example, in a hinge joint of a wheel guide arm in a motor vehicle, it is generally used for fixing an eccentric position shifted from both sides starting from a center position required in mass production assembly. This is especially the change of key Yanba angle and caster angle generated in response to light collision, such as intense contact with the curb, the tolerance regions in key Yanba angle and caster angle allowed taking the frame and in the safe operation of mass production Needed to correct to be restored. In addition, such corrections require maintenance work on the vehicle by, for example, realignment of the vehicle body, which is also required in the event of a major accident, and such small collisions are also very costly.

[0003] Such rear alignments require at least a centering action on the bolt head side, for example by an eccentric plate, for mass production assembly, but such centering action is preferably on both the bolt head side and the nut side. It is performed in.

The adjusting devices required for this have already conditioned mass production assembly to adjustments in the tolerance range. This does not exclude assembly errors. Furthermore, the cost of such hinge joints is very high.

[0005]

The purpose of the 0008] The present invention provides a simple adjustment scheme for key catcher <br/> Nba angle and caster angle, it can be displaced adjusted so as to reduce the risk of error with respect to mass production assembly To make hinge joints.

[0006]

According to the invention, this object is achieved by means of the characterizing part of claim 1.

[0007] When the long hole guide according to the present invention is arranged on the nut side leg of the mount (bracket),
The centering of the bolt head on the center side can be achieved, for example, by a shaped projection on the bolt head that fits into the slot. However, the slotted guide according to the invention, even if it is arranged on the legs on both sides of the mount (bracket), can be centered on both the bolt head side and the nut side via the slotted guide. To achieve.

[0008] displacement in the one or other end position of the displacement i.e. the bolt from the center position, when formed in accordance with the present invention the long hole-shaped guide long hole provided with a centering projection Katachiga
This is possible because the notch corresponding to the bolt is attached to the id . When the bolt is inserted so that the notch and the centering projection coincide with each other ,
Inside the long hole-shaped guide is moved until it contacts the top <br/> projections on the bottom of the notch, and in the notch opposite the long hole-shaped
By being supported in contact with the stopper fitted to the guide, the end position in each case can be easily fixed. this
Stopper, for example, is attached to the shim plate, for example, formed by coining of the shim plate.

Basically, within the framework of the present invention, the same shaped bolt can be used for mass production assembling and repair, provided that the shaped bolt is provided with a detent. However, a particularly simple method uses a general bolt with no specially formed bolt head for mass production assembly, and a shim plate or a stopper with a stopper for repair .
And the use of notched bolts. Stock
Since path exists on one side of the shim plate, you'll be inserted correspondingly bolt rotating the shim plate, the respective both end positions can be fixed in a simple manner while using the same shim plate and the same bolt .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the drawings.

[0011] In FIG. 1, 1 is a wheel guide arm which is held via the two brackets (mounting) 2,3 to vehicle body. By laterally adjusting the hinge ends of the wheel guide arms 1 in the brackets 2 and 3, the camber angle and / or caster angle of the wheels (not shown) guided by the wheel guide arms 1 can be changed. The direction of adjustment is indicated by arrow 4.

[0012] Figure 2 is a bracket 2 as viewed from the direction of the arrow II shown in perspective view in FIG. 1, bracket
The vehicle 2 is fixed to the vehicle body via the mounting surface 2a . The wheel guide arm 1 is not shown, nor is the bolt used to secure the wheel guide arm to the bracket and shown schematically in FIG.

On the legs 13 , 14 on both sides of the bracket 2 , a long hole 6 and a long hole guide 7 are provided for the bolt 5 in accordance with the adjustment direction of the arrow 4. In this case, the slot corresponding to the bolt head of the bolt 5 is denoted by reference numeral 6 in FIG. 2, and the slot guide corresponding to the screw portion of the bolt 5, that is, the nut-side elongated guide is denoted by reference numeral 7.

[0014] Oite the bracket 2 in FIG. 2, for example when the bolt 5 which has a shape projections corresponding to the long hole 6 provided on the leg portion 13 of the bolt head side is inserted, the bolt 5 is bolt head Department side is centered on its inside central position in the elongated hole 6. The centering action on the threaded side of the bolt 5 is produced by a centering projection 8 provided on the slotted guide 7 of the leg 14 . The centering projections 8 will be determined put together the diameter of the dimension of the bolt 5, the centering projections 8
Guide the bolt 5 at the top of .

In order to realize one eccentric position (end position) with respect to the bolt 5 in one bracket, for example, the bracket 2 with respect to the wheel guide arm 1, the bolt 5a in FIG. 3 must be used. The bolt 5a is provided with a notch 9 extending in the longitudinal direction corresponding to the elongated hole guide 7, so that the bolt 5a
Can be obtained. The bolt 5a is provided with a shaped projection 11 extending on one side only on the back of the bolt head in the direction opposite to the notch 9. This shape projection 11
When the bolt 5a is moved to the end face of the slot 6, the slot 6 is filled on the opposite side of the cutout 9, thereby ensuring that the bolt 5a is fixed in the corresponding end position.

In the case of the system according to the invention in FIG.
Both sides of the leg portions 13 and 14 into the long hole-shaped guide 15 respectively with centering projections 8 of the bracket 2 are al provided. When using this method, if you insert a bolt with a circular cross section ,
It is centered on the bolt head side as well as on the nut side.

In order to fix the end eccentric position with respect to the bolt, the bolt is provided with a notch 9 in the nut area and another notch 16 in the bolt head area according to FIG. 9, 16 must be made to correspond to the centering projections 8 in the elongated hole-shaped guide 15.

FIGS. 6 and 7 show a shim plate 17 which is used when the bolt according to FIG. 5 is to be fixed in the eccentric end position in the slotted guide 15 in FIG. The shim plate 17 is provided with the central guide hole 1 for the bolt.
8 and a stop indicated by reference numeral 19. The stopper 19 is filled at the eccentric position of the bolt in each of the long holes shaped guide <br/>, notch opposite the bolt free space between the centering impact force and the bolt of the long hole-shaped guide . As a result, the bolt is fixed via the shim plate at the respective eccentric position.

[0019] FIG. 8, has a centering projection 21 on both sides, this
The enlarged shapes of the elongated guide 20 and the bolt 23 for guiding the bolt to the central position between the vertices of the projections 21 are shown in an enlarged manner. The bolt 23 is shown by a thick outline. When the bolt assumes an eccentric position indicated by a thin line and denoted by reference numeral 23 a, the centering projection 21 is aligned with the notch 24. As it can be seen from FIG. 8, out of mind and the notch 24
Contact with the projection 21 occurs only in the immediate vicinity of the projection top , ie only at the top of the projection 21 and at the bottom of the cutout 24.
It is further evident that the notch 24 is centered in order to avoid deformation of the bolt located in the area of the nut in the area of the edge at the transition to the circumference 25 of the shaped bolt 23a, which would cause the screw to be damaged. The projection 21 is free, in particular towards the circumference 25 of the bolt.

The bolt 23a is right side is supported in contact with the centering protrusion 21, are still free spaces between the bolts 23a and the centering projection 21 on the left side. When the shim plate in FIGS. 6 and 7 is used, this free space is filled by a shape projection 19 provided on the shim plate 17 in order to support the bolt in the slotted guide .

[0021]

According to the displacement adjustable hinge joint which is based on the present invention, key Yanba angle and can be easily adjusted changing the caster angle, the risk of error is reduced with respect to mass production assembly.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a basic arrangement structure of a wheel guide arm having support portions on two brackets.

[FIG. 2] A slot guide is provided only on the leg on the nut side.
Perspective view of a by that bracket to the present invention has.

FIG. 3 is a perspective view showing a main part of a bolt in which a shape projection is provided on the bolt head side and a cutout is provided in a screw area on a side opposite to the shape projection.

Book [4] a long hole-shaped guide leg portions of both sides are provided
Perspective view corresponds to FIG. 2 of the bracket that by the invention.

FIG. 5 is a side view of a bolt provided with cutouts on a bolt head side and a nut side.

FIG. 6 is a plan view of a shim plate having a stopper on a side surface.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6;

[8] the top of the centering projection of the bolt in its center position
FIG. 9 is a schematic explanatory view of a state where the support is in contact between the parts and a state where the centering projection and the notch coincide with each other at the end position .

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Wheel guide arm 2, 3 Bracket (mount) 4 Adjustment direction 5, 5a Bolt 6 Elongated hole 7 , 15, 20 Elongated hole guide 8 , 21 Centering projection 9, 16 Notch 13, 14, Bracket leg 17 Shim Plate 18 Center guide hole 19 Stopper

 ────────────────────────────────────────────────── ─── Continuing the front page (72) Inventor Helmut Reichert Germany 73770 Denkend Luf Jutschuttrath 23 (56) References US Patent 5052711 (US, A) US Patent 5044659 (US, A)

Claims (6)

(57) [Claims] The hinge end of the wheel guide arm is a bracket.
Of the legs on both sides provided facing each other at a distance from each other
Bracket with bolts and bolts penetrating the hinge ends
It is supported rotatably on the socket, and as a bolt receiver for the legs,
Attach the bolts at least in the central part and the end parts on both sides
At least a slot-shaped guide extending in a lockable adjustment direction
In a displacement adjustable hinge joint having a bolt-nut connection to a wheel guide arm of an automobile, such as provided on one leg , a slot-shaped guide (7, 15, 20) is provided from both end faces thereof. centering projection extending toward the center starting (8,21)
The tops of these centering projections form a contact support corresponding to the center position of the bolt, and the bolt (5, 5a) is attached to the bolt in order to fix the bolt (5, 5a) to the terminal position deviated from the center position. notch for receiving the centering projection (9, 16) are provided, also long hole-shaped guide on the opposite side of the notch (9, 16) (7, 15, 20) in contact supporting bolt and fitting engagement with the stopper (19) A hinge joint capable of adjusting displacement having a bolt-nut coupling portion with respect to a wheel guide arm of an automobile, wherein the hinge joint is provided. 2. The displacement-adjustable hinge joint according to claim 1, wherein the stop (19) is attached to a shim plate (17) having a central guide hole (18) for the bolt. . 3. The stopper (19) is located on the side of the shim plate (17).
3. A hinge joint as claimed in claim 2, wherein the hinge is formed so as to be in contact with the surface and with the top of the centering projection . 4. A hinge with adjustable displacement according to claim 1, characterized in that a slot-shaped guide (7) with a centering projection (8) is attached to the nut-side leg (14) of the bracket. Fittings. 5. Legs (13, 14) on both sides of the bracket.
2. A hinge joint as claimed in claim 1, further comprising an elongated guide with a centering projection. 6. Legs (13, 14) on both sides of the bracket.
Claims cutouts of the centering projections (8) corresponds to the bolt side of the long hole-shaped guide (15) (9, 16) is characterized in that it is supplied with the head range and nuts scope of the bolt A hinge joint capable of adjusting displacement according to claim 5.